Mercurial > hg > orthanc
annotate Core/Logging.h @ 2243:2dbfdafc2512
Logger compatible with the Orthanc plugin SDK
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 23 Dec 2016 16:02:00 +0100 |
parents | 595cf22b3e7e |
children | a3a65de1840f |
rev | line source |
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1485 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1485 | 4 * Department, University Hospital of Liege, Belgium |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 #pragma once | |
34 | |
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35 #include <iostream> |
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37 #if !defined(ORTHANC_ENABLE_LOGGING) |
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38 # error The macro ORTHANC_ENABLE_LOGGING must be defined |
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39 #endif |
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40 |
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41 #if !defined(ORTHANC_ENABLE_LOGGING_PLUGIN) |
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42 # if ORTHANC_ENABLE_LOGGING == 1 |
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43 # error The macro ORTHANC_ENABLE_LOGGING_PLUGIN must be defined |
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44 # else |
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45 # define ORTHANC_ENABLE_LOGGING_PLUGIN 0 |
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46 # endif |
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47 #endif |
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48 |
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49 #if ORTHANC_ENABLE_LOGGING_PLUGIN == 1 |
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50 # include <orthanc/OrthancCPlugin.h> |
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51 #endif |
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52 |
1485 | 53 namespace Orthanc |
54 { | |
55 namespace Logging | |
56 { | |
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57 #if ORTHANC_ENABLE_LOGGING_PLUGIN == 1 |
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58 void Initialize(OrthancPluginContext* context); |
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59 #else |
1485 | 60 void Initialize(); |
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61 #endif |
1485 | 62 |
63 void Finalize(); | |
64 | |
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65 void Reset(); |
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66 |
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67 void Flush(); |
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68 |
1485 | 69 void EnableInfoLevel(bool enabled); |
70 | |
71 void EnableTraceLevel(bool enabled); | |
1489 | 72 |
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73 void SetTargetFile(const std::string& path); |
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74 |
1489 | 75 void SetTargetFolder(const std::string& path); |
76 | |
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77 struct NullStream : public std::ostream |
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78 { |
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79 NullStream() : |
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80 std::ios(0), |
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81 std::ostream(0) |
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82 { |
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83 } |
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84 |
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85 std::ostream& operator<< (const std::string& message) |
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86 { |
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87 return *this; |
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88 } |
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89 |
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90 // This overload fixes build problems with Visual Studio 2015 |
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91 std::ostream& operator<< (const char* message) |
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92 { |
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93 return *this; |
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94 } |
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95 }; |
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96 } |
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97 } |
1489 | 98 |
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99 |
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100 #if ORTHANC_ENABLE_LOGGING != 1 |
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101 |
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102 # define LOG(level) ::Orthanc::Logging::NullStream() |
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103 # define VLOG(level) ::Orthanc::Logging::NullStream() |
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104 |
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105 |
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106 #elif ORTHANC_ENABLE_LOGGING_PLUGIN == 1 |
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107 |
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108 # include <boost/noncopyable.hpp> |
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109 # define LOG(level) ::Orthanc::Logging::InternalLogger(#level, __FILE__, __LINE__) |
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110 # define VLOG(level) ::Orthanc::Logging::InternalLogger("TRACE", __FILE__, __LINE__) |
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111 |
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112 namespace Orthanc |
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113 { |
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114 namespace Logging |
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115 { |
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116 class InternalLogger : public boost::noncopyable |
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117 { |
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118 private: |
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119 std::string level_; |
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120 std::string message_; |
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121 |
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122 public: |
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123 InternalLogger(const char* level, |
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124 const char* file, |
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125 int line); |
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126 |
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127 ~InternalLogger(); |
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128 |
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129 InternalLogger& operator<< (const std::string& message); |
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130 |
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131 InternalLogger& operator<< (const char* message); |
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132 |
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133 InternalLogger& operator<< (int message); |
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134 }; |
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135 } |
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136 } |
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138 |
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139 #else /* ORTHANC_ENABLE_LOGGING_PLUGIN == 0 && ORTHANC_ENABLE_LOGGING == 1 */ |
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140 |
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141 # include <boost/thread/mutex.hpp> |
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142 # define LOG(level) ::Orthanc::Logging::InternalLogger(#level, __FILE__, __LINE__) |
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143 # define VLOG(level) ::Orthanc::Logging::InternalLogger("TRACE", __FILE__, __LINE__) |
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144 |
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145 namespace Orthanc |
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146 { |
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147 namespace Logging |
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148 { |
1489 | 149 class InternalLogger |
150 { | |
151 private: | |
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152 boost::mutex::scoped_lock lock_; |
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153 NullStream null_; |
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154 std::ostream* stream_; |
1489 | 155 |
156 public: | |
157 InternalLogger(const char* level, | |
158 const char* file, | |
159 int line); | |
160 | |
1507 | 161 ~InternalLogger(); |
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162 |
1489 | 163 std::ostream& operator<< (const std::string& message) |
164 { | |
165 return (*stream_) << message; | |
166 } | |
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167 |
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168 // This overload fixes build problems with Visual Studio 2015 |
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169 std::ostream& operator<< (const char* message) |
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170 { |
ddc75c6c712d
Avoid hard crash if not enough memory
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2073
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171 return (*stream_) << message; |
ddc75c6c712d
Avoid hard crash if not enough memory
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2073
diff
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172 } |
1489 | 173 }; |
1485 | 174 } |
175 } | |
1488 | 176 |
1491 | 177 #endif // ORTHANC_ENABLE_LOGGING |